'''
作者: 赖乾恩
邮箱: laiqe@qq.com
功能: 
包含算法: 
Copyright (c) 2023 by 赖乾恩, All Rights Reserved. 
'''





# if __name__ == "__main__":
#     solution = Solution()
#     solution.exec_main()

class person:
    def __init__ (self, id):
        self.id = id

d = person(100)
d.__dict__['weight'] = 50
print(d.weight + len(d.__dict__))